Expecting one service instance when providing the host ip

[dyeshurun]

• Docker version 19.03.1
• Latest registrator
• running registrator with
  -resync=10
  -cleanup
  -deregister=always
  -ip=192.168.34.195
  consul://consul:8500

I am running a container named "demo-service" and when I am querying the consul for its instances I get 2 instances - one with the provided ip and one with the docker internal ip. I expected to have only one instance with the provided ip (note that when I don't provide it I only get one instance with the internal ip)

Is this the expected behavior? is there a way to get only one instance?